Dorhea 4Pcs Digital 38khz Ir Receiver Sensor Module + 4Pcs 38khz Ir Transmitter Sensor Module Kit for Electronic Building Block
$7.59
The infrared transmitter module is directly transmitted by a single tube, and the waveform needs to be modulated by the program.
Adopt 1838 remote control receiver with high sensitivity.
with the emission signal indicator LED, easy to observe and debug.
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Dorhea 4Pcs Digital 38khz Ir Receiver Sensor Module + 4Pcs 38khz Ir Transmitter Sensor Module Kit for Electronic Building Block
$7.59